Indian Journal of Critical Care Medicine

Register      Login



Volume / Issue

Online First

Related articles

VOLUME 9 , ISSUE 3 ( July, 2005 ) > List of Articles


Modes of presentation of acute myocardial infarction

K.N. Chowta, P.D. Prijith, M.N. Chowta*

Keywords : Atypical symptoms, Chest pain, Myocardial infarction

Citation Information : Chowta K, Prijith P, Chowta* M. Modes of presentation of acute myocardial infarction. Indian J Crit Care Med 2005; 9 (3):151-154.

DOI: 10.4103/0972-5229.19681

License: CC BY-ND 3.0

Published Online: 01-07-2005

Copyright Statement:  Copyright © 2005; Jaypee Brothers Medical Publishers (P) Ltd.


Aim: To study the various modes of presentation of acute myocardial infarction (AMI). Methods: A total number of 60 patients of AMI admitted in various teaching hospitals of Kasturba Medical College, Mangalore, were studied. The following factors were evaluated: onset of symptoms, mode of presentation, site of infarction, and hospital outcome. Results: Out of 60 patients, 12 (20%) presented with atypical symptoms. The maximum incidence AMI with atypical symptoms was in the age group of 65-74 yr (30.7 %), followed by the age group of 55-64 yr (25%). No patient presented with atypical symptoms below 30 yr. Patients experiencing MI without chest pain tended to be older (mean age 61 vs 58 yr) and were women (35% vs 12.5%); 80% of patients presented with chest pain followed by dyspnea (28.3%) and vomiting (13.3%). The in-hospital mortality of MI patients who presented with typical and atypical symptoms were 16.6% and 33.3%, respectively. In this study, anteroseptal infarction was most common (31.6%). Fifty percent of inferior-wall MI patients presented with atypical symptoms. Conclusion: In this study, there was no significant association between onset of MI and circadian pattern.

PDF Share
  1. Sigurdsson E, Thorgeirsson G, Sigvaldason H, Sigfusson N, et al. Unrecognised myocardial infarction: epidemiology clinical characteristics and prognostic role of angina pectoris. Ann Intern Med 1995;122:96-102.
  2. Canto JG, Shlipak MG. Prevalence, clinical characteristics and mortality among patients with myocardial infarction presenting without chestpain. JAMA 2000;283:3223-9.
  3. Kennel WB. Incidence and prognosis of unrecognized myocardial infarction. N Eng J Med 1984;311:1144-7
  4. Spodick DH, Flessas AP, Johnson MM. Association of acute respiratory symptoms with onset of acute myocardial infarction. Am J Cardiol 1984;53:481-2.
  5. Chadda KD. Bradycardia hypotension syndrome in acute myocardial infarction. Am J Med 1975;59:158-63.
  6. Ingram DA, Futton RA. Vomiting as a diagnostic aid in acute ischemic cardiac pain. BMJ 1980;281:636.
  7. Katsuhiko Y, Mac Lean CJ. The incidence and prognosis of unrecognized myocardial infarction in the Honolulu, Hawai heart program. Ann Intern Med 1989;149:1528-32.
  8. Morgolis JR, Kannel WB. Clinical features of unrecognised myocardial infarction. Silent and symptomatic (the Framingham study). Am J Cadiol 1973;32:1-7.
  9. Bean WB. Masquerades of myocardial infarction. Lancet 1977;1:1044-5.
PDF Share

© Jaypee Brothers Medical Publishers (P) LTD.